Soleman, S., Sultan, M. A., Kusnadi and Marsaoly, N. (2025) “THE EFFECT OF USING FLY ASH AS A CEMENT SUBSTITUTE ON THE QUALITY OF NICKEL SLAG-BASED PAVING BLOCKS”, International Journal of Research -GRANTHAALAYAH, 12(12), pp. 73–79. doi: 10.29121/granthaalayah.v12.i12.2024.5875.